Warning: Permanently added '10.128.0.250' (ED25519) to the list of known hosts. 1970/01/01 00:00:43 ignoring optional flag "sandboxArg"="0" 1970/01/01 00:00:44 parsed 1 programs [ 47.523394][ T4039] cgroup: Unknown subsys name 'net' [ 47.779457][ T4039] cgroup: Unknown subsys name 'rlimit' [ 48.153233][ T4039] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 55.496606][ T4079] chnl_net:caif_netlink_parms(): no params data found [ 55.540536][ T4079] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.542584][ T4079] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.545754][ T4079] device bridge_slave_0 entered promiscuous mode [ 55.550170][ T4079] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.552189][ T4079] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.555472][ T4079] device bridge_slave_1 entered promiscuous mode [ 55.575763][ T4079] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.579990][ T4079] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.595701][ T4079] team0: Port device team_slave_0 added [ 55.599997][ T4079] team0: Port device team_slave_1 added [ 55.614767][ T4079] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.616664][ T4079] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 55.623595][ T4079] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.631443][ T4079] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.633800][ T4079] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 55.640647][ T4079] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.695185][ T4079] device hsr_slave_0 entered promiscuous mode [ 55.743076][ T4079] device hsr_slave_1 entered promiscuous mode [ 55.950209][ T4079] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.987583][ T4079] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.016128][ T4079] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.055552][ T4079] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.111998][ T4079] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.114194][ T4079] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.116542][ T4079] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.118441][ T4079] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.171720][ T4079] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.181862][ T1710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.186981][ T1710] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.189993][ T1710] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.194871][ T1710] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 56.203309][ T4079] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.210375][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.215220][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.217217][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.223981][ T1710] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.226544][ T1710] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.228596][ T1710] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.244096][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.247820][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.250807][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.264643][ T4079] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.267664][ T4079] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.274551][ T1710] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.278023][ T1710] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.280671][ T1710] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.363759][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.365881][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.372574][ T4079] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.388890][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.406280][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.409244][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.411707][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.418845][ T4079] device veth0_vlan entered promiscuous mode [ 56.426395][ T4079] device veth1_vlan entered promiscuous mode [ 56.446729][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.449440][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.452128][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.459352][ T4079] device veth0_macvtap entered promiscuous mode [ 56.464600][ T4079] device veth1_macvtap entered promiscuous mode [ 56.474809][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.480474][ T4079] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.482544][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 56.486499][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.492535][ T4079] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.495625][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 56.498262][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 56.506177][ T4079] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.508538][ T4079] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.510831][ T4079] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.515046][ T4079] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.363696][ T153] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 57.402993][ T331] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.405414][ T331] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.408514][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.424958][ T331] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.427289][ T331] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.430318][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.600753][ T153] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.849308][ T153] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 61.921303][ T153] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:02 executed programs: 0 [ 63.201828][ T4170] chnl_net:caif_netlink_parms(): no params data found [ 63.240688][ T4170] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.243413][ T4170] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.249491][ T4170] device bridge_slave_0 entered promiscuous mode [ 63.253304][ T4170] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.255259][ T4170] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.257849][ T4170] device bridge_slave_1 entered promiscuous mode [ 63.274331][ T4170] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.278801][ T4170] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.294438][ T4170] team0: Port device team_slave_0 added [ 63.298202][ T4170] team0: Port device team_slave_1 added [ 63.314490][ T4170] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.316460][ T4170] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 63.323954][ T4170] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.336204][ T4170] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.338075][ T4170] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 63.346722][ T4170] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.454970][ T4170] device hsr_slave_0 entered promiscuous mode [ 63.503205][ T4170] device hsr_slave_1 entered promiscuous mode [ 63.542854][ T4170] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.545206][ T4170] Cannot create hsr debugfs directory [ 64.086460][ T4170] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.125601][ T4170] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.157921][ T4170] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.186044][ T4170] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.337293][ T4170] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.346332][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.348823][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.359535][ T4170] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.365302][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.368069][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.371199][ T136] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.373151][ T136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.388446][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.392221][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.395964][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.398511][ T136] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.400407][ T136] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.402857][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.408645][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.414346][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.418472][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.421680][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.431491][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.436149][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.438974][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.441731][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.448465][ T4170] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.451991][ T4170] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.455866][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.458784][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.568936][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.571017][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.583287][ T4170] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.603039][ T1710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.605883][ T1710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.623754][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.626475][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.629875][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.632389][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.640206][ T4170] device veth0_vlan entered promiscuous mode [ 64.646921][ T4170] device veth1_vlan entered promiscuous mode [ 64.661189][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.664802][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.667562][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.670606][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.678670][ T4170] device veth0_macvtap entered promiscuous mode [ 64.685827][ T4170] device veth1_macvtap entered promiscuous mode [ 64.695789][ T4170] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 64.699086][ T4170] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.703391][ T4170] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.706454][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.709345][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.712236][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.716967][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.721313][ T4170] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 64.724391][ T4170] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 64.727758][ T4170] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.731876][ T4170] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.735552][ T4170] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.737918][ T4170] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.740333][ T4170] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.744729][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.747529][ T331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.787282][ T148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.789651][ T148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.793594][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 64.818758][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 64.821192][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 64.843390][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.049315][ T4261] [ 65.050053][ T4261] ====================================================== [ 65.052023][ T4261] WARNING: possible circular locking dependency detected [ 65.053976][ T4261] 5.15.186-syzkaller #0 Not tainted [ 65.055445][ T4261] ------------------------------------------------------ [ 65.057370][ T4261] syz.0.16/4261 is trying to acquire lock: [ 65.059060][ T4261] ffff0000d45acc28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xcc/0x1bc [ 65.062199][ T4261] [ 65.062199][ T4261] but task is already holding lock: [ 65.064281][ T4261] ffff80001652cb88 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 65.067298][ T4261] [ 65.067298][ T4261] which lock already depends on the new lock. [ 65.067298][ T4261] [ 65.070247][ T4261] [ 65.070247][ T4261] the existing dependency chain (in reverse order) is: [ 65.072670][ T4261] [ 65.072670][ T4261] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 65.074948][ T4261] __mutex_lock_common+0x194/0x1edc [ 65.076496][ T4261] mutex_lock_nested+0xac/0x11c [ 65.078044][ T4261] rfkill_register+0x44/0x77c [ 65.079529][ T4261] hci_register_dev+0x3d8/0x854 [ 65.081011][ T4261] vhci_create_device+0x2bc/0x564 [ 65.082535][ T4261] vhci_write+0x30c/0x3ac [ 65.083860][ T4261] vfs_write+0x7c8/0xa2c [ 65.085228][ T4261] ksys_write+0x120/0x210 [ 65.086624][ T4261] __arm64_sys_write+0x7c/0x90 [ 65.088170][ T4261] invoke_syscall+0x98/0x2b8 [ 65.089529][ T4261] el0_svc_common+0x138/0x258 [ 65.091093][ T4261] do_el0_svc+0x58/0x14c [ 65.092553][ T4261] el0_svc+0x78/0x1e0 [ 65.093993][ T4261] el0t_64_sync_handler+0xcc/0xe4 [ 65.095626][ T4261] el0t_64_sync+0x1a0/0x1a4 [ 65.097044][ T4261] [ 65.097044][ T4261] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 65.099410][ T4261] __mutex_lock_common+0x194/0x1edc [ 65.101229][ T4261] mutex_lock_nested+0xac/0x11c [ 65.102807][ T4261] vhci_send_frame+0x88/0x118 [ 65.104321][ T4261] hci_send_frame+0x194/0x2f0 [ 65.105866][ T4261] hci_tx_work+0x7e4/0x1394 [ 65.107384][ T4261] process_one_work+0x79c/0x1140 [ 65.109048][ T4261] worker_thread+0x8f4/0x101c [ 65.110622][ T4261] kthread+0x374/0x454 [ 65.112002][ T4261] ret_from_fork+0x10/0x20 [ 65.113522][ T4261] [ 65.113522][ T4261] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 65.116275][ T4261] __flush_work+0xf4/0x1bc [ 65.117654][ T4261] flush_work+0x24/0x38 [ 65.119004][ T4261] hci_dev_do_close+0x164/0x105c [ 65.120590][ T4261] hci_unregister_dev+0x23c/0x4c0 [ 65.122321][ T4261] vhci_release+0x74/0xc4 [ 65.123849][ T4261] __fput+0x1c0/0x7f8 [ 65.125187][ T4261] ____fput+0x20/0x30 [ 65.126564][ T4261] task_work_run+0x12c/0x1e0 [ 65.128087][ T4261] do_exit+0x684/0x1f58 [ 65.129435][ T4261] do_group_exit+0x100/0x268 [ 65.130968][ T4261] get_signal+0x73c/0x1340 [ 65.132391][ T4261] do_notify_resume+0x35c/0x3128 [ 65.134068][ T4261] el0_svc+0xf0/0x1e0 [ 65.135355][ T4261] el0t_64_sync_handler+0xcc/0xe4 [ 65.136987][ T4261] el0t_64_sync+0x1a0/0x1a4 [ 65.138568][ T4261] [ 65.138568][ T4261] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 65.140664][ T4261] __mutex_lock_common+0x194/0x1edc [ 65.142409][ T4261] mutex_lock_nested+0xac/0x11c [ 65.143984][ T4261] bg_scan_update+0x48/0x3d0 [ 65.145475][ T4261] process_one_work+0x79c/0x1140 [ 65.146998][ T4261] worker_thread+0x8f4/0x101c [ 65.148541][ T4261] kthread+0x374/0x454 [ 65.149952][ T4261] ret_from_fork+0x10/0x20 [ 65.151342][ T4261] [ 65.151342][ T4261] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 65.154169][ T4261] __lock_acquire+0x2928/0x651c [ 65.155802][ T4261] lock_acquire+0x1f4/0x620 [ 65.157269][ T4261] __flush_work+0xf4/0x1bc [ 65.158649][ T4261] __cancel_work_timer+0x2ec/0x448 [ 65.160216][ T4261] cancel_work_sync+0x24/0x38 [ 65.161633][ T4261] hci_request_cancel_all+0xbc/0x2d0 [ 65.163473][ T4261] hci_dev_do_close+0x54/0x105c [ 65.164998][ T4261] hci_rfkill_set_block+0xdc/0x1d0 [ 65.166599][ T4261] rfkill_set_block+0x18c/0x374 [ 65.168177][ T4261] rfkill_fop_write+0x4a4/0x5cc [ 65.169699][ T4261] vfs_write+0x280/0xa2c [ 65.171018][ T4261] ksys_write+0x120/0x210 [ 65.172383][ T4261] __arm64_sys_write+0x7c/0x90 [ 65.173993][ T4261] invoke_syscall+0x98/0x2b8 [ 65.175390][ T4261] el0_svc_common+0x138/0x258 [ 65.176882][ T4261] do_el0_svc+0x58/0x14c [ 65.178350][ T4261] el0_svc+0x78/0x1e0 [ 65.179700][ T4261] el0t_64_sync_handler+0xcc/0xe4 [ 65.181381][ T4261] el0t_64_sync+0x1a0/0x1a4 [ 65.182901][ T4261] [ 65.182901][ T4261] other info that might help us debug this: [ 65.182901][ T4261] [ 65.185843][ T4261] Chain exists of: [ 65.185843][ T4261] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 65.185843][ T4261] [ 65.190053][ T4261] Possible unsafe locking scenario: [ 65.190053][ T4261] [ 65.192200][ T4261] CPU0 CPU1 [ 65.193809][ T4261] ---- ---- [ 65.195322][ T4261] lock(rfkill_global_mutex); [ 65.196720][ T4261] lock(&data->open_mutex); [ 65.198763][ T4261] lock(rfkill_global_mutex); [ 65.200991][ T4261] lock((work_completion)(&hdev->bg_scan_update)); [ 65.202991][ T4261] [ 65.202991][ T4261] *** DEADLOCK *** [ 65.202991][ T4261] [ 65.205312][ T4261] 1 lock held by syz.0.16/4261: [ 65.206782][ T4261] #0: ffff80001652cb88 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x238/0x5cc [ 65.209912][ T4261] [ 65.209912][ T4261] stack backtrace: [ 65.211728][ T4261] CPU: 0 PID: 4261 Comm: syz.0.16 Not tainted 5.15.186-syzkaller #0 [ 65.214015][ T4261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 65.216899][ T4261] Call trace: [ 65.217881][ T4261] dump_backtrace+0x0/0x43c [ 65.219340][ T4261] show_stack+0x2c/0x3c [ 65.220581][ T4261] __dump_stack+0x30/0x40 [ 65.221886][ T4261] dump_stack_lvl+0xf8/0x160 [ 65.223148][ T4261] dump_stack+0x1c/0x5c [ 65.224366][ T4261] print_circular_bug+0x148/0x1b0 [ 65.225864][ T4261] check_noncircular+0x240/0x2d4 [ 65.227262][ T4261] __lock_acquire+0x2928/0x651c [ 65.228574][ T4261] lock_acquire+0x1f4/0x620 [ 65.229845][ T4261] __flush_work+0xf4/0x1bc [ 65.231135][ T4261] __cancel_work_timer+0x2ec/0x448 [ 65.232682][ T4261] cancel_work_sync+0x24/0x38 [ 65.234005][ T4261] hci_request_cancel_all+0xbc/0x2d0 [ 65.235531][ T4261] hci_dev_do_close+0x54/0x105c [ 65.236825][ T4261] hci_rfkill_set_block+0xdc/0x1d0 [ 65.238238][ T4261] rfkill_set_block+0x18c/0x374 [ 65.239658][ T4261] rfkill_fop_write+0x4a4/0x5cc [ 65.241129][ T4261] vfs_write+0x280/0xa2c [ 65.242348][ T4261] ksys_write+0x120/0x210 [ 65.243594][ T4261] __arm64_sys_write+0x7c/0x90 [ 65.244883][ T4261] invoke_syscall+0x98/0x2b8 [ 65.246236][ T4261] el0_svc_common+0x138/0x258 [ 65.247532][ T4261] do_el0_svc+0x58/0x14c [ 65.248832][ T4261] el0_svc+0x78/0x1e0 [ 65.249961][ T4261] el0t_64_sync_handler+0xcc/0xe4 [ 65.251400][ T4261] el0t_64_sync+0x1a0/0x1a4 [ 65.254450][ T4091] Bluetooth: hci0: command 0x0409 tx timeout [ 65.736872][ T153] device hsr_slave_0 left promiscuous mode